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參數資料
| 型號： | S-8254AAGFT-TBG |
| 元件分類： | 電源管理 |
| 英文描述： | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封裝： | LEAD FREE, TSSOP-16 |
| 文件頁數： | 1/29頁 |
| 文件大小： | 249K |
| 代理商： | S-8254AAGFT-TBG |
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S-8254A Series
www.sii-ic.com
BATTERY PROTECTION IC
FOR 3-SERIAL- OR 4-SERIAL-CELL PACK
Seiko Instruments Inc., 2002-2010
Rev.5.0_01
Seiko Instruments Inc.
1
The S-8254A series is a protection IC for 3-serial- or 4-serial-cell lithium-ion / lithium polymer rechargeable
batteries and includes a high-accuracy voltage detector and delay circuit.
The S-8254A series protects both 3-serial or 4-serial cells using the SEL pin for switching.
Features
(1)
High-accuracy voltage detection for each cell
Overcharge detection voltage n (n = 1 to 4)
3.9 V to 4.4 V (50 mV steps)
Accuracy
±25 mV
Overcharge release voltage n (n = 1 to 4)
3.8 V to 4.4 V
*1
Accuracy
±50 mV
Overdischarge detection voltage n (n = 1 to 4) 2.0 V to 3.0 V (100 mV steps)
Accuracy
±80 mV
Overdischarge release voltage n (n = 1 to 4)
2.0 V to 3.4 V
*2
Accuracy
±100 mV
(2)
Three-level overcurrent protection
Overcurrent detection voltage 1
0.05 V to 0.30 V (50 mV steps) Accuracy
±25 mV
Overcurrent detection voltage 2
0.5 V
Accuracy
±100 mV
Overcurrent detection voltage 3
VVC1 1.2 V
Accuracy
±300 mV
(3)
Delay times for overcharge detection, overdischarge detection and overcurrent detection 1 can be set
by external capacitors (delay times for overcurrent detection 2 and 3 are fixed internally).
(4)
Switchable between a 3-serial cell and 4-serial cell using the SEL pin
(5)
Charge/discharge operation can be controlled via the control pins.
(6)
High-withstand voltage device
Absolute maximum rating : 26 V
(7)
Wide operating voltage range
2 V to 24 V
(8)
Wide operating temperature range
40°C to + 85°C
(9)
Low current consumption
Operation mode
30
μA max. (+25°C)
Power-down mode 0.1 μA max. (+25°C)
(10) Lead-free, Sn100%, halogen-free
*3
*1. Overcharge hysteresis voltage n (n
= 1 to 4) can be selected as 0 V or from a range of 0.1 V to 0.4 V in
50 mV steps.
(Overcharge hysteresis voltage
= Overcharge detection voltage Overcharge release voltage)
*2. Overdischarge hysteresis voltage n (n
= 1 to 4) can be selected as 0 V or from a range of 0.2 V to 0.7 V
in 100 mV steps.
(Overdischarge hysteresis voltage
= Overdischarge release voltage Overdischarge detection voltage)
*3. Refer to “
Product Name Structure” for details.
Applications
Lithium-ion rechargeable battery packs
Lithium polymer rechargeable battery packs
Package
16-Pin TSSOP
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相關代理商/技術參數 |
參數描述 |
|---|---|
| S-8254AAGFT-TB-G | 功能描述:電池管理 Lithium-Ion battery protection 3/4 cell RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| S-8254AAHFT-TB-G | 功能描述:電池管理 Lithium-Ion battery protection 3/4 cell RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| S-8254AAHFT-TB-S | 制造商:Seiko Instruments Inc (SII) 功能描述:BATTERY PROTECTION LI-ION/LI-POL PACKS 4.35V 16-PIN TSSOP T/ - Tape and Reel |
| S-8254AAIFT-TB-G | 功能描述:電池管理 Lithium-Ion battery protection 3/4 cell RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| S-8254AAJFT-TB | 功能描述:電池管理 4.35V 3/4Cell Serial RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
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